Shower stand



FIG. 1 is a front perspective view of a shower stand showing my new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top end view thereof; and,

FIG. 6 is a bottom end view thereof. 

I claim the ornamental design for a shower stand, as shown. 